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| author | Joe Hershberger <joe.hershberger@ni.com> | 2012-12-11 22:16:34 -0600 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-12-13 11:46:56 -0700 |
| commit | 267541f776f1e2bec21681c6e39a4c93af9621cf (patch) | |
| tree | 861ff411eab98193f9914d30ec420628e79912e0 /README | |
| parent | fffad71bc489cf224eda6d826a1645423852ee45 (diff) | |
| download | u-boot-imx-267541f776f1e2bec21681c6e39a4c93af9621cf.zip u-boot-imx-267541f776f1e2bec21681c6e39a4c93af9621cf.tar.gz u-boot-imx-267541f776f1e2bec21681c6e39a4c93af9621cf.tar.bz2 | |
env: Add support for access control to .flags
Add support for read-only, write-once, and change-default.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -3128,7 +3128,8 @@ Configuration Settings: The format of the list is: type_attribute = [s|d|x|b|i|m] - attributes = type_attribute + access_atribute = [a|r|o|c] + attributes = type_attribute[access_atribute] entry = variable_name[:attributes] list = entry[,list] @@ -3140,6 +3141,12 @@ Configuration Settings: i - IP address m - MAC address + The access attributes are: + a - Any (default) + r - Read-only + o - Write-once + c - Change-default + - CONFIG_ENV_FLAGS_LIST_DEFAULT Define this to a list (string) to define the ".flags" envirnoment variable in the default or embedded environment. @@ -3151,6 +3158,10 @@ Configuration Settings: list, simply add an entry for the same variable name to the ".flags" variable. +- CONFIG_ENV_ACCESS_IGNORE_FORCE + If defined, don't allow the -f switch to env set override variable + access flags. + The following definitions that deal with the placement and management of environment data (variable area); in general, we support the following configurations: |